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Argyle Lake State Park, IL 7-Day Night Weather Forecast
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Argyle Lake State Park, IL Weather Forecast
Argyle Lake State Park, IL Weather Forecast Date: 556 PM CDT Thu Aug 20 2026
The area/counties/county of: Mcdonough, including the city of Macomb.or toggle through each period.
Tonight... Clear. Patchy fog after midnight. Lows around 60. Northeast winds around 5 mph this evening, becoming light and variable.
Friday... Patchy fog in the morning. Sunny with highs in the lower 80s. Southwest winds 5 to 10 mph.
Friday Night... Mostly clear in the evening, then becoming partly cloudy. Humid with lows in the mid 60s. West winds around 5 mph.
Saturday... Sunny with highs around 80. Northwest winds 5 to 10 mph.
Saturday Night... Clear. Lows in the upper 50s. North winds around 5 mph.
Sunday... Sunny. Highs in the upper 70s.
Sunday Night... Partly cloudy. Lows around 60. Highs in the upper 70s.
Monday... Partly cloudy. Lows around 60. Highs in the upper 70s.
Tuesday... Partly cloudy. Lows around 60. Highs in the upper 70s.
Tuesday Night... Partly cloudy. Lows in the mid 60s. Highs in the lower 80s.
Wednesday... Partly cloudy. Lows in the mid 60s. Highs in the lower 80s.
POP = Probability of Precipitation
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